Update Kubernetes default version to v1.15.0

Suppress error message when translation file doesn't exist

Add ability to localize all strings output to console

Refactor: improve readability drivers.Restart

Update golangci-lint to v1.17.1

jenkins: Increase integration test time limit to 90 minutes

Stop updating /etc/rkt/net.d config files

Add kvm2 --version

Fix "mount failed: File exists" issue when unmount fails

* Add international language issue templates for es, pt-BR, and zh-CN

since we are not are not saving the images in the cache, there is not much trying to load from the cache either.

Update for supporting k8s_v1.15.0-beta.1

Switch kubectl current-context on profile change

Fix the release date of minikube v1.1.1

Add netlify config